mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 08:05:12 +00:00
22 lines
662 B
Rust
22 lines
662 B
Rust
// run-pass
|
|
#![allow(unused_unsafe)]
|
|
|
|
#![feature(generators)]
|
|
|
|
fn main() {
|
|
unsafe {
|
|
static move || { //~ WARN unused generator that must be used
|
|
// Tests that the generator transformation finds out that `a` is not live
|
|
// during the yield expression. Type checking will also compute liveness
|
|
// and it should also find out that `a` is not live.
|
|
// The compiler will panic if the generator transformation finds that
|
|
// `a` is live and type checking finds it dead.
|
|
let a = {
|
|
yield ();
|
|
4i32
|
|
};
|
|
let _ = &a;
|
|
};
|
|
}
|
|
}
|